You should talk to a lawyer specializing in Construction Law, preferably a firm that has an office in the county where the lien will be recorded (although that is not required but it would be helpful from a logistical standpoint as you may ultimately need to file a lawsuit to foreclose on the lien and I suspect you would want a local law firm representing you). Before recording a Mechanics' and Materialmen's Lien in Arizona, there are a number of statutory requirements that must be followed....